BEA WebLogic Server 9.0 API Reference

weblogicx.jsp.tags.validators
Class CustomValidator

java.lang.Object
  weblogicx.jsp.tags.validators.ValidatableAdapter
      weblogicx.jsp.tags.validators.ValidatableTagAdapter
          weblogicx.jsp.tags.validators.CustomValidator

All Implemented Interfaces:

BodyTag, IterationTag, JspTag, Serializable, Tag, Validatable

public class CustomValidator

extends ValidatableTagAdapter

Class implements the ValidatableTagAdapter and forms a wrapper around the Customizable classes. A Customizable Class is instantiated and method calls delegated to the particular instance.

See Also:

Serialized Form

Copyright © 2005 BEA Systems, Inc. All Rights Reserved.

Field Summary

Fields inherited from class weblogicx.jsp.tags.validators.ValidatableTagAdapter

bodyContent, pageContext, parent

Fields inherited from class weblogicx.jsp.tags.validators.ValidatableAdapter

errorMessage, fieldToValidate, isValid

Fields inherited from interface javax.servlet.jsp.tagext.BodyTag

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Fields inherited from interface weblogicx.jsp.tags.validators.Validatable

ENCODED_SEPERATOR, SEPERATOR

Constructor Summary

CustomValidator()

Method Summary

Validatable	decodeHiddenField(String stToDecode)
boolean	equals(Object o)
String	getExpression()
String	getValidatorClass()
void	instantiateCustomClass(String className) instantiates the custom class
void	release()
void	setExpression(String exp)
void	setValidatorClass(String vclass)
boolean	userExit() This acts as an User Exit...
boolean	validate(ServletRequest req) abstract class to be implemented
String	writeHiddenField() write a hidden input type e.g.

Methods inherited from class weblogicx.jsp.tags.validators.ValidatableTagAdapter

doAfterBody, doEndTag, doInitBody, doStartTag, getHiddenField, getParent, setBodyContent, setPageContext, setParent

Methods inherited from class weblogicx.jsp.tags.validators.ValidatableAdapter

defaultDecodeHiddenField, defaultWriteHiddenField, getErrorMessage, getFieldToValidate, isValid, setErrorMessage, setFieldToValidate, setIsValid

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CustomValidator

public CustomValidator()

Method Detail

decodeHiddenField

public Validatable decodeHiddenField(String stToDecode)
                              throws Exception

Description copied from interface: Validatable

given the String of writtenHiddenField(), this method must know how to reconstruct an object from the string.

Specified by:

decodeHiddenField in interface Validatable

Overrides:

decodeHiddenField in class ValidatableAdapter

Throws:

Exception

equals

public boolean equals(Object o)

getExpression

public String getExpression()

getValidatorClass

public String getValidatorClass()

instantiateCustomClass

public void instantiateCustomClass(String className)
                            throws ClassNotFoundException,
                                   InstantiationException,
                                   IllegalAccessException,
                                   UnImplementedException

instantiates the custom class

Parameters:

className - to be instantiated

Throws:

ClassNotFoundException

InstantiationException

IllegalAccessException

UnImplementedException

release

public void release()

Specified by:

release in interface Tag

Overrides:

release in class ValidatableTagAdapter

setExpression

public void setExpression(String exp)

setValidatorClass

public void setValidatorClass(String vclass)

userExit

public boolean userExit()
                 throws JspException

Description copied from class: ValidatableTagAdapter

This acts as an User Exit... This Class guarantees that this method will be called in the doStartTag method.

Specified by:

userExit in class ValidatableTagAdapter

Returns:

boolean which says whether the user exit was successful or not. true --> EVAL_BODY_TAG false --> SKIP_BODY

Throws:

JspException

validate

public boolean validate(ServletRequest req)
                 throws Exception

Description copied from class: ValidatableAdapter

abstract class to be implemented

Specified by:

validate in interface Validatable

Specified by:

validate in class ValidatableAdapter

Throws:

Exception

writeHiddenField

public String writeHiddenField()

Description copied from interface: Validatable

write a hidden input type e.g. className=classImplementingValidatable+ENCODED_SEPERATOR+ fieldToValidate=somefield+ENCODED_SEPERATOR+expression=someexpr +ENCODED_SEPERATOR+errorMessage

Specified by:

writeHiddenField in interface Validatable

Overrides:

writeHiddenField in class ValidatableAdapter